.last-branch

@@ -1 +1 @@
-v20260101-06-run-checks-shift-multiselect-fix
+v20260101-07-run-checks-shift-multiselect-delegation-fix

containers/backupchecks/src/templates/main/run_checks.html

@@ -286,6 +286,9 @@
 
     var btnMarkAllReviewed = document.getElementById('rcm_mark_all_reviewed');
 
+    // Shift-click range selection for checkbox rows
+    var lastCheckedCb = null;
+
     function statusClass(status) {
       var s = (status || "").toString().toLowerCase();
 
@@ -348,9 +351,18 @@
       if (btnMark) btnMark.disabled = ids.length === 0;
       if (btnUnmark) btnUnmark.disabled = ids.length === 0;
       if (statusEl) statusEl.textContent = ids.length ? (ids.length + ' selected') : '';
+      refreshSelectAll();
     }
 
-    var lastRowCheckbox = null;
+    function refreshSelectAll() {
+      if (!selectAll) return;
+      var cbs = table.querySelectorAll('tbody .rc_row_cb');
+      var total = cbs.length;
+      var checked = 0;
+      cbs.forEach(function (cb) { if (cb.checked) checked++; });
+      selectAll.indeterminate = checked > 0 && checked < total;
+      selectAll.checked = total > 0 && checked === total;
+    }
 
     if (selectAll) {
       selectAll.addEventListener('change', function () {
@@ -360,44 +372,64 @@
       });
     }
 
-    // Shift-click multi select for row checkboxes (continuous range)
-    table.addEventListener('click', function (e) {
-      if (!(e.target && e.target.classList && e.target.classList.contains('rc_row_cb'))) return;
+// Prevent browser text selection when using Shift with checkbox selection
+table.addEventListener('mousedown', function (e) {
+  var t = e.target;
+  if (!t) return;
+  if (t.classList && t.classList.contains('rc_row_cb') && e.shiftKey) {
+    e.preventDefault();
+    if (window.getSelection) {
+      try { window.getSelection().removeAllRanges(); } catch (err) {}
+    }
+  }
+}, true);
 
-      // Prevent row click handlers and stop the browser from doing text-range selection.
+// Handle Shift-click range selection on the checkbox inputs (delegated)
+table.addEventListener('click', function (e) {
+  var t = e.target;
+  if (!t || !(t.classList && t.classList.contains('rc_row_cb'))) return;
+
+  // Custom handling so we can reliably read shiftKey and control the toggle + range
+  if (e.shiftKey && lastCheckedCb && lastCheckedCb !== t) {
+    e.preventDefault();
     e.stopPropagation();
 
-      // If shift is held, apply the checkbox state to the whole range.
-      if (e.shiftKey && lastRowCheckbox && lastRowCheckbox !== e.target) {
+    // The default action would toggle the checkbox; do it manually
+    var targetChecked = !t.checked;
+    t.checked = targetChecked;
+
     var cbs = Array.prototype.slice.call(table.querySelectorAll('tbody .rc_row_cb'));
-        var start = cbs.indexOf(lastRowCheckbox);
-        var end = cbs.indexOf(e.target);
+    var start = cbs.indexOf(lastCheckedCb);
+    var end = cbs.indexOf(t);
 
     if (start !== -1 && end !== -1) {
-          var min = Math.min(start, end);
-          var max = Math.max(start, end);
-          var state = e.target.checked;
-
-          for (var i = min; i <= max; i++) {
-            cbs[i].checked = state;
-          }
+      var lo = Math.min(start, end);
+      var hi = Math.max(start, end);
+      for (var i = lo; i <= hi; i++) {
+        cbs[i].checked = targetChecked;
       }
     }
 
-      lastRowCheckbox = e.target;
-
-      // Clear any accidental text selection caused by Shift-click.
-      try {
-        var sel = window.getSelection ? window.getSelection() : null;
-        if (sel && sel.removeAllRanges) sel.removeAllRanges();
-      } catch (err) {}
+    if (window.getSelection) {
+      try { window.getSelection().removeAllRanges(); } catch (err) {}
+    }
 
     updateButtons();
-    });
+    lastCheckedCb = t;
+    return;
+  }
 
-    // Fallback: any checkbox change should still update the buttons.
+  // Normal click: let default toggle happen, but remember the last checkbox
+  lastCheckedCb = t;
+
+  // Defer update until after the checkbox state changes
+  setTimeout(updateButtons, 0);
+}, true);
+
+// Fallback for keyboard toggles (space) and other state changes
 table.addEventListener('change', function (e) {
   if (e.target && e.target.classList && e.target.classList.contains('rc_row_cb')) {
+    lastCheckedCb = e.target;
     updateButtons();
   }
 });

docs/changelog.md

@@ -142,6 +142,15 @@
 - Implemented tracking of the last selected checkbox to enable continuous range selection.
 - Ensured multiselect only applies to checkbox interactions and not table row text.
 
+---
+
+## v20260101-07-run-checks-shift-multiselect-delegation-fix
+
+- Reworked Shift-click multiselect on the Run Checks page using event delegation.
+- Ensured checkbox range selection works correctly with dynamically rendered table rows.
+- Disabled default browser text selection when using Shift during checkbox interaction.
+- Applied Gmail-style range selection logic for consistent multi-row selection behavior.
+
 ================================================================================================================================================
 ## v0.1.14
 

temp.md

@@ -1 +0,0 @@
-left empty